Part Type: C1 Buffer Board Circuit Board C1 Part Number: TXNC11ECUU MFR Part Number 1: Panasonic TXNC11ECUU Board Number(s): TNPA4770 Known Models: PANASONIC TC-P54S1T C-54PS14 TC-P54G10 TC-P54V10 Panel Sticker Number: MC137F21T12 Panel Manufacturer: Panasonic